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GB 50264 圆筒型防止表面凝露的单层保冷层厚度

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Selected 保冷.
  • 保冷
  • 保冷
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 依据:GB 50264-2013
圆筒型防止表面凝露的保冷层厚度
名称 单位 公式/来源 值
1 输入
2  管道/设备外径,D0 m 1.52
3  管道/设备外表面温度,T0 ℃ -60
4  保冷层材料在使用温度下的热导率,λ W/m·K 0.04
5  保冷层外表面与周围空气的换热系数,αs W/m²·K 8.14
6  环境温度,Ta ℃ 20
7  环境露点温度,td ℃ 5
8 结果
9  保冷层外表面温度,Ts ℃ ts=td+0.3 5.3
10  保冷层厚度,δ m 公式 5.3.7 0.021526846
11  保冷层外径,D1 m D1=D0+2δ 1.563053691
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